#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;

int main(int argc, char *argv[]) {
  int A[]={4,5};
  int n=2;
  int elem=4;

  int count=0;
  for(int i=0;i<n;++i) {
    if(A[i]!=elem) {
      A[count++]=A[i];          
      cout<<A[i]<<",";
    }

  }
  return count;
}

